136783992 has 32 divisors (see below), whose sum is σ = 342248400. Its totient is φ = 45556224.

The previous prime is 136783973. The next prime is 136783993. The reversal of 136783992 is 299387631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136783993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49758 + ... + 52434.

Almost surely, 2^136783992 is an apocalyptic number.

136783992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136783992 is an abundant number, since it is smaller than the sum of its proper divisors (205464408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136783992 is a wasteful number, since it uses less digits than its factorization.

136783992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815 (or 4811 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 136783992 is about 11695.4688661892. The cubic root of 136783992 is about 515.2425940988.

The spelling of 136783992 in words is "one hundred thirty-six million, seven hundred eighty-three thousand, nine hundred ninety-two".